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Affected Component
Analysis
xwayland
Exploitable
Name
CVE-2026-50263
Description
A use-after-free flaw was found in the X.Org X server and Xwayland in CreateSaverWindow(). A client can trigger a use-after-free read after changing window attributes and forcing the screen saver, leading to information disclosure.
CWEs
Published Date
Updated Date
Workaround
-
Advisories
https://access.redhat.com/security/cve/CVE-2026-50263Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2485388Issue Tracking
https://redhat.atlassian.net/browse/PSIRTSUPT-16950Permissions Required
Analysis#
Vulnerability Ratings#
5.5
CVSSv31
NaN
other